> For the complete documentation index, see [llms.txt](https://developer.magtek.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.magtek.com/api-and-command-reference/scra-dynafamily-programmers-manual/notifications/notifications-from-user-interface-notification-source-0x18nn.md).

# Notifications from User Interface - Notification Source 0x18nn

## Notifications from User Interface

This sections of the DynaFamily Programmer's Manual details notifications that come from the device's user interface.

{% hint style="success" %}
Applies to: All Dyna Family products
{% endhint %}

### Notifications in this group

| **Notification**                                                                                                                                                                                                                                                             | **When it fires**                                                                                                     |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- |
| [<mark style="color:red;">**User Interface Host Action Request**</mark>](/api-and-command-reference/scra-dynafamily-programmers-manual/notifications/notifications-from-user-interface-notification-source-0x18nn/user-interface-host-action-request-notification-0x1803.md) | This notification requests that the host take action during operations involving the device’s User Interface modules. |
| [<mark style="color:red;">**User Interface Operation Complete**</mark>](/api-and-command-reference/scra-dynafamily-programmers-manual/notifications/notifications-from-user-interface-notification-source-0x18nn/user-interface-operation-complete-notification-0x1805.md)   | This notification requests that the host take action during operations involving the device’s User Interface modules. |

### See Also

* <mark style="color:red;">**Commands**</mark>**&#x20;-->** This is what triggers a transaction
* <mark style="color:red;">**Messages**</mark>**&#x20;-->** The formats notifications are delivered in.


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